AirHint found the following cheapest one-way flights from Dublin (DUB) to Riga (RIX) in September 2026 (see full year).
One-Way flights
| 26 Sep | Ryanair | direct | |
| 04 Sep | Ryanair | direct | |
| 11 Sep | Ryanair | direct | |
| 17 Sep | Ryanair | direct | |
| 18 Sep | Ryanair | direct | |
| 01 Sep | Ryanair |
Also check the deals for return flights from Dublin to Riga in September.
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